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'Our Bioleaching Process Explained'
BacTech Environmental Corporation, created in December 2010 as part of the BacTech Mining Corporation Plan of Arrangement, will apply the patented BACOX bioleaching technology to the processing of toxic, arsenic-laden mine tailings. An added benefit of bioleaching, in addition to stabilizing arsenic and capturing heavy metals, is that it oxidizes sulphides in mine tailings, thereby eliminating a major source of acid mine drainage. The technology also recovers precious and base metals from tailings for sale to market. Bioleaching is an environmental clean up solution that also creates a profit.
BacTech Environmental Corporation (BEC) is a publicly-listed Canadian company with its shares quoted on the Canadian National Stock Exchange (CNSX), symbol BAC. It was created in December 2010 by virtue of a Plan of Arrangement from its former parent company, BacTech Mining Corporation (BMC).
BMC was founded in 1988, with its origin in Western Australia, incorporated in Ontario, Canada in mid 1997, and went public in September of the same year. BacTech Mining Corporation recently changed its name to REBgold Corporation under the above-noted Plan of Arrangement, and will continue to use bioleaching technology to identify mining assets where its technology can be employed.
As part of the Plan of Arrangement, REBgold and BEC entered into an agreement whereby REBgold licensed its bioleaching technology to BacTech Environmental to be used perpetually, exclusively, and royalty free, in the remediation of mine tailings.
REBgold owns proprietary bacterial oxidation technology that liberates precious and base metals from difficult-to-treat sulphide ores and concentrates. Bacterial oxidation is a safe and environmentally friendly process. It has the advantage of improving metal recovery at significantly lower capital and operating costs when compared to traditional treatment methods of smelting, roasting and pressure oxidation. REBgold is the only company in the world that has commercially-proven bioleaching technology for gold and for base metal separation.
BacTech Environmental will now focus its strategy on environmental remediation services to address the worldwide arsenic problem. This decision was based on the global demand for the remediation of mining areas and the benefit of owning equity interests in such projects, versus the external licensing of the bioleaching technology.
BacTech Environmental will strive to secure an equity position in each project, which will be augmented by additional cash flow related to metal recovery. Where possible, the company will partner with national and local governments, and non-governmental organizations, to fund portions of the projects.
BacTech Environmental Corporation - CNSX: BAC
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BacTech Environmental: Spurring a Revolution in Environmental Remediation
BacTech is a pioneering, environmental technology company that has developed and commercialized a proprietary technology to remediate highly toxic tailing areas resulting from abandoned mining operations. BacTech's core technology, called "bioleaching", employs naturally-occurring bacteria, harmless to both humans and the environment, to oxidize the sulphide materials left behind after years of mining. The tailings may contain ores and related materials contaminated by arsenic and other substances that are poisonous to humans and animals, as well as harmful to the local environment. The sulphides in the tailings react (oxidize) with the atmosphere to create an acidic solution called acid mine drainage (AMD), which leaches into the surrounding area over time. BacTech's bioleaching process can stabilize these toxins from minerals and prevent additional harmful AMD. The technology provides a "Garden of Eden" environment for the bacteria to thrive and multiply and permits them to achieve in 6 days what would normally take 20 years to occur naturally.
Why NOW is the Time for a Permanent Solution
The worldwide contamination caused by abandoned mines is so widespread that it is neither quantified nor fully evaluated. It is generally accepted, however, that in countries with a long history of mining, the magnitude of the problem is considerable; these areas are generally laden with toxic chemicals that leach into the surrounding areas. There are tens of thousands of sites around the world that contain mining-related arsenic and other substances. The public is increasingly demanding that the governments and companies responsible address the contamination due to the negative consequences of such sites. These effects include polluted water, contaminated land, air pollution, loss of useful groundwater and land, and significant negative health consequences to humans and animals living in the area.
BacTech's approach is to "cure the patient", as opposed to treating the patient over many years. In other words, stop the creation of AMD by removing the sulphides from the tailings. Current practice in the industry calls for the treatment of long-term water discharge from the tailings which is expensive and allows the possibility for future problems, as the sulphides remain in the tailings. In addition, where governments have been left with the legacy of past mining, we endeavour to use the "no cost to the government" approach in which BacTech pays itself through the recovery of contained metal should it be determined to be economically viable.
The Technology: Bioleaching
BacTech's patented BACOX technology (licensed from REBgold Corporation) uses naturally occurring bacteria, harmless to both humans and the environment, to oxidize the contained sulphides and separate metal from the difficult-to-process tailings. In the process, toxic elements such as arsenic are stabilized. The tailings created by bioleaching are benign, and zero environmental damage occurs as a result of the process. An added bonus is its ability to recover valuable metals such as gold, silver, cobalt and nickel that remain in the tailings.
Bioleaching is an environmental reclamation solution that also creates a profit.
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